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WO/1999/051395A1 |
An apparatus (5) for rounding off edges of openings (9) in a work piece (8), like internal openings, or cut outs, in steel plates, is disclosed. The apparatus (5) comprises a belt grinding machine (5a) having continuous grinding belt (6)...
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WO/1999/043468A1 |
The invention relates to a grinder for the edges of spectacle lenses, comprising a driven grinding wheel (68-71) and a driven spectacle lens holding shaft (6, 7) which can be displaced in a straight line upward and downward in relation t...
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WO/1999/043467A1 |
A small-sized outer periphery polishing means excellent in working efficiency and capable of mirror-finish polishing the outer peripheral part of a chamfered work (5) held by work holding means (3a, 3b) efficiently in a short time by mak...
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WO/1999/042248A1 |
The apparatus is used to grind, polish or clean etc. the surfaces of a cylindrical object such as a pipe. A main body (1) has at least two rotary shafts (5) which receive machining tools (22, 23, 24) such as, for example, grinding wheels...
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WO/1999/040494A1 |
The present invention relates to a method and a device for forming a bevel on the edge of a glass lens using a lens-edge machining apparatus with computerised numerical control. The method of the present invention comprises the following...
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WO/1999/039870A1 |
The present invention relates to an apparatus for machining glass lenses, wherein said apparatus comprises the following members: a housing (1); a machining chamber located in said housing; a shaft for maintaining a glass lens (5, 6) and...
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WO/1999/039869A1 |
The present invention relates to a method and a device for machining glass-lenses using a glass-lens machining apparatus with computerised numerical control. The method of the present invention comprises the following steps: introducing ...
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WO/1999/039871A1 |
The present invention relates to a method for marking or drilling holes in glass lenses and to device for realising the same. According to this method, the position of the holes in a glass lens, in a model disc or in a support disc is me...
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WO/1999/037440A1 |
The invention provides a method for polishing a diamond table, including determining an optimal table and noting the parameters of the orientation of the table plane with respect to a zero angle of its yaw axis, its tilt angle with respe...
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WO/1999/036225A1 |
A grinding disc (20) with a peripheral groove for grinding the edges of glass panes (11), whereby a cooling liquid is fed to the point of grinding (18). When the disc (20) is in a mounted position a lateral stop surface (8) fits closely ...
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WO/1999/034954A1 |
A stone tile finishing system (1) includes an apparatus and a group of different tools usable in the apparatus for various tile finishing operations. The apparatus itself has a motor (21), a tool mount rotated by the motor (21) and a til...
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WO/1999/030870A1 |
An apparatus (30) for abrading or deburring a workpiece is provided and includes in combination a conveyor (130) for moving the workpiece from a first position to a second position and at least two assemblies (142, 144) intermediate the ...
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WO/1999/026759A1 |
The invention concerns a method for finishing a spectacle lens (1) after it has been cut a first time, in order to pass said spectacle lens again on the grinder, which consists in implanting thereon a prehensile block (3) for setting it ...
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WO/1999/025519A1 |
The invention relates to the use of a milling tool (7) for machining spectacle lenses consisting of plastic, especially polycarbonate, at a speed of between 60,000 and 360,000 min?-l¿. The inventive milling tool comprises a shaft (8), a...
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WO/1999/024863A1 |
The present invention relates to a template (1) intended for the lens of a pair of glasses (4), wherein said template includes holes (14) for determining a drilling position or the like or for applying marks. The template (1) can be conn...
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WO/1999/022906A1 |
The invention relates to a device for measuring a former in a CNC eyeglass frame grinding machine, comprising a computer to control said machine, at least one grinding disc in a grinding chamber, an eyeglass retaining shaft that can be r...
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WO/1999/022905A1 |
With sanding or sanding machines with rotating sanding tools comprising sanding segments which are rotated in mutually opposite directions, according to the invention a more uniform sanding result and uniform wear on the tools is achieve...
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WO/1999/015307A1 |
The supporting arrangement of hydrastatic bearings for machines for machining slabs of marble and the like comprises a supporting structure on three isostatic points, in which the three isostatic bearing points transfer the weight of the...
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WO/1999/011429A1 |
The invention relates to a device for machining the edges of spectacle glasses, comprising a spectacle glass holder for a rough glass held on at least one side and a machining device for full machining of said glass by means of a separat...
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WO/1999/010128A1 |
The invention pertains to a machine for processing spectacle lenses, comprising a housing, a processing station therein, a two-piece rotating shaft for holding the piece of glass, said shaft consisting of one axially movable shaft half a...
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WO/1999/008836A1 |
The invention relates to a method for producing battery terminals comprising different steps, during which a continuous wire (18) is cut (22) into predefined lengths, and then a pin head and point are formed. To this end, a conveyor path...
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WO/1998/050199A1 |
A method of processing a soft or foldable lens includes a step of tumbling (grinding) the lens in a tumbling medium. The tumbling medium includes a mixture of glass beads coated with an abrasive material, alcohol and water. This process ...
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WO/1998/047660A1 |
The invention concerns a device (2) for setting an adapter (11) on a blank (1) to transfer and fix it in a cutting device (3) controlled by cutting data, characterised in that it comprises means acquiring (4, 5, 6, 7, 8, 9) characteristi...
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WO/1998/045664A1 |
The invention relates to a measuring device for the contactless determining of the 3-dimensional shape of a peripheral groove in a spectacle frame. The device has a light source, which light beam is directed onto the groove or can be dev...
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WO/1998/043778A1 |
The invention relates to a device for machining a surface and the edge of a lens and especially a spectacle glass blank in a clamp. The inventive device comprises a first holding shaft which is configured as a hollow shaft and can be dis...
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WO/1998/035783A1 |
An apparatus (1) for machining glass sheets comprises a glass sheet introduction portion (2), a glass sheet-snapping portion (3) disposed next to the glass sheet introduction portion (2), a glass sheet edge grinder portion (4) disposed n...
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WO/1998/030360A1 |
An abrasive body for grinding optical glass, precious and natural stones (marble) or other materials such as wood, metal, plastics or the like, consists of a base body (3) made of a woven, knitted or embroidered fabric made of carbon fib...
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WO/1998/030357A1 |
An abrasive body (13) for a grinding disk (11), a grinding wheel or the like for grinding optical glass, precious and natural stones (marble) or the like has a base body (16) made of a sintered hard material upon which a diamond coating ...
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WO/1998/028101A1 |
The combined processes of mechanical texturing with free abrasive and conductive texture tape (1) with electro-deburring and electro-smoothening of the textured surface of the NiP layer (5) of the aluminium disk substrate, or a combinati...
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WO/1998/027252A1 |
In order to prepare a diamond (1) for polishing, the diamond (1) is fixed to a dop (2) and is immersed to a predetermined depth in an electrically-conducting silver-loaded epoxy resin (5), which is then cured, forming a coating (6) on th...
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WO/1998/023409A1 |
A tool quill (10) for carrying out superfinish polishing of a fuel injector needle tip (26) to insure proper sealing of a fuel injector has a universal joint (30) which allows tilting of a polishing stone (24) during the finishing operat...
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WO/1998/022258A1 |
The bench for machining elongate objects such as strips of marble and the like comprises a generally boxlike body having a surface over which a portable profiling machine can be moved and a side comprising means for holding elongate obje...
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WO/1998/019826A1 |
A method for polishing articles comprising soft acrylic materials is disclosed. The method includes a cryogenic polishing step and a cleaning step. In the polishing step, a receptacle is charged with polishing beads of various sizes, sod...
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WO/1998/019825A1 |
A process of removing flash from a molded silicone intraocular lens includes a step of tumbling the lens body in a tumbling media. The tumbling media includes a mixture of .5 mm diameter glass beads and 1.0 mm diameter glass beads, alcoh...
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WO/1998/018595A1 |
A machine for sanding parts and bodies which comprises a first endless sanding belt surface (14) onto which the parts (13) to be sanded travel and a second endless belt (16) made of rubber or sponge material which will move parallel and ...
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WO/1998/009770A1 |
The present invention pertains to a polishing machine for spectacle lenses, comprising a driven polishing disk, a driven lens holding shaft which can be tilted straight upward and downward and rotates about an axis at a distance from and...
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WO/1998/005472A1 |
The invention concerns a method for the deburring of items, especially metal items (1), which are encumbered with sharp edges or burrs (8) after punching, clipping, moulding and/or machining operations, by which method the items (1) are ...
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WO/1998/001258A1 |
A diamond to be ground is heated, while feeding an oxide powder (P) containing at least one member selected from among transition metal elements, alkali metal elements, and alkaline earth metal elements to the surface of the diamond, to ...
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WO/1997/048525A1 |
A workpiece alignment and shifting system for moving circular workpieces from a first inspection station to a second machining station, comprises workpiece holding means for attachment to the face of a disc workpiece to move the latter f...
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WO/1997/048526A1 |
A grinding or polishing machine comprises a rigid platform on which a workhead spindle and a grinding wheel spindle are located. The grinding wheel spindle is mounted on a sub-assembly which is attached to the platform by means of flexur...
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WO/1997/048522A1 |
A method of grinding the edge of a disc uses a grinding machine having mounted thereon a grooved grinding wheel, in which the groove is formed in situ using a forming wheel also mounted on the grinding machine. After a workpiece has been...
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WO/1997/040962A1 |
An automatic machine for milling and chamfering lenses, advantageously lenses for spectacles, comprises first means (26, 28) for blocking in a predetermined position (27) a sheet advantageously made of synthetic material and being cut fr...
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WO/1997/038824A1 |
A profiled, soft cushined roller (14) is provided with an outer profiled abrading surface (15) that conforms to and rides on a contoured substrate surface (21) during an abrading operation. A soft roller (14) usually in the form of a sof...
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WO/1997/038822A1 |
In a system for deburring a workpiece (8), such as a casting, using a robot (3) provided with gripping means (4) to grip the workpiece to be deburred, said system comprising at least one stationary, rotating deburring means (9, 9a, 11, 1...
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WO/1997/037947A1 |
Thermally tempered flat glass the whole surface of which is thermally tempered, and a method of finishing edge portions of the same. In order to set conventional thermally tempered flat glass usable as a fire door and a fire window, it i...
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WO/1997/027969A1 |
The invention concerns a pipe-cutting and chamfering arrangement for thin-walled pipes, the arrangement comprising a machine tool (2) with a cutting and chamfering tool (15, 16) and a clamping device (1) for cutting a pipe and chamfering...
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WO/1997/026111A1 |
Portable machine for the working of marbles and hard materials consisting of a sliding plate (3) on which a positioning device (4) and a work mechanism (2) with motor have been mounted. Said items are connected to a separate trolley-born...
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WO/1997/024964A1 |
This manufacturing method applies to cold-rolled pure silver objects requiring shearing and generating a blank; the method is distinguished by the fact that the cut edges of the blank are softened with cooling, by abrasion of its sheared...
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WO/1997/018922A1 |
A grinding wheel with a diamond-coated abrasive layer (3) having a convex profile over at least part of its length (L) to improve wear resistance.
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WO/1997/014532A1 |
Method and apparatus (10) for finishing a workpiece surface using magnetorheological fluid (16) wherein the workpiece (26) is positioned near a carrier surface (14) such that a converging gap (22) is defined between the workpiece surface...
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